APA引文

Ruston, H. (1978). Programming with PL/I. McGraw-Hill.

Chicago Edition Citation

Ruston, Henry. Programming with PL/I. New York: McGraw-Hill, 1978.

MLA引文

Ruston, Henry. Programming with PL/I. McGraw-Hill, 1978.

警告：这些引文格式不一定是100％准确.